Dianella caerulea (Blue Flax Lily)
The Australian Plant Shop Pot Size
Regular price $19.20 Sale price $16.30 Save $2.90
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Hardy Australian Native Plant for Landscaping & Gardens

Dianella caerulea, commonly known as Blue Flax Lily, is a versatile Australian native plant prized for its strappy green foliage, striking blue flowers, and vibrant indigo berries. Ideal for low-maintenance gardens, coastal landscapes, and erosion control, this drought-tolerant perennial thrives across Australia.

  • Botanical Name: Dianella caerulea (also called Paroo Lily)
  • Height & Spread: 0.5–1.5m tall, clumping habit
  • Flowers: Delicate blue star-shaped blooms (spring–summer)
  • Berries: blue-purple berries attracting birds
  • Uses: Borders, mass plantings, hedges, erosion control, pots
  • Position: Full sun to part shade; coastal & urban gardens
  • Soil: Sandy, loamy, or clay; well-drained
  • Features: Frost-tolerant (−7°C), low water needs.

Why Choose Blue Flax Lily?

  • Drought-resistant: Thrives in dry conditions once established.
  • Wildlife-friendly: Berries attract birds; flowers lure pollinators.
  • Low maintenance: No pruning needed – trim to shape if desired.
  • Versatile: Perfect for erosion control, poolside planting & urban landscapes.

Planting Guide

  • Spacing: 30–50cm apart for dense coverage.
  • Watering: Regular during establishment; reduce after 12 months.
  • Fertiliser: Apply slow-release native blend in spring.

Order Dianella caerulea today – a resilient, beautiful addition to any Australian garden!

Light requirement: Full Sun and Part sun/part shade

Water requirement: Low

Watering frequency:

Soil: Any

Skill level: Beginner

Growth rate: Intermediate

Suitable for containers:

More info:

External links to more info:

Drought tolerance: Medium

Frost tolerance: Medium

Wind tolerance: High

Disease and pest susceptibility: Generally trouble free

Mature height: 45 cm

Mature width: 80 cm

Suitable for shaping:

Colour: Green

Variegation: No

Size: Small/medium

Seasonality: Evergreen

Flowering: Yes; profuse/bright display

Flower colour: Purple

Flower fragrant: No

Flowering season: No

Fruit: Yes

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